PUNJAB PUBLIC SERVICE COMMISSION
COMBINED COMPETITIVE EXAMINATION
FOR RECRUITMENT TO THE POSTS OF
PROVINCIAL MANAGEMENT SERVICE, ETC -2021
CASE NO. 3C2022
SUBJECT: GEOLOGY (PAPER-I)
TIME ALLOWED: THREE HOURS MAXIMUM MARKS: 100
NOTE:
I. All the parts (if any) of each Question must be attempted at one place instead of at different places.
II. Write Q. No. in the Answer Book in accordance with Q. No. in the Q. Paper.
III. No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed.
IV. Extra attempt of any question or any part of the question will not be considered.
NOTE: Attempt Five Questions in all. Attempt in Urdu or English.
Where necessary, use neat sketches to elaborate the answers
Q No. 1: Define faults and discuss the ways they can be classified. Also differentiate between slickensides and fault breccia. (20 Marks)
Q No. 2: What parameters are most commonly used to characterize the structure of paleo-communities, and which of these parameters are likely to be influenced by Taphonomic Processes? (20 Marks)
Q No. 3: Describe in detail about sedimentary facies and their role in understanding depositional environments. (20 Marks)
Q No. 4: What is unconformity? What are the three types of unconformities and how do they form? (20 Marks)
Q No. 5: Describe the following (10+10=20 Marks)
i- Magmatic ore deposits
ii- Polymorphism and crystal habit
Q No. 6: Define the different types of rocks. Discuss the mineral composition, texture, origin, and uses of Granite, Limestone, Marble and Schist. (20 Marks)
Q No. 7: Differentiate between rare earth and trace elements. Discuss about the significance of rare earth elements in understanding geochemical evolution of mantle and crust. (20 Marks)
Q No. 8: Write a short note on the following: (4 x 5 = 20 Marks)
i- Interior of the Earth
ii- Nebular Hypothesis
iii- Physical Properties of Minerals
iv- Applications of GIS in Geology
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